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Table 4 Direction and magnitude of self-reported outcomes at end of program of any duration (1990-2009)

From: Reduction of diabetes risk in routine clinical practice: are physical activity and nutrition interventions feasible and are the outcomes from reference trials replicable? A systematic review and meta-analysis

Author, year and reference # Improvement in frequency of physical activity/week Reduction of fat intake Mean reduction in energy % Increased fibre intake in g/day
  % achieved goal Mean change % achieved goal Mean reduction % achieved goal Mean increase
Whittemore, 2009 [78] +17% in interv vs. +1% in controls at 6 months NR NR NR NR NR
Bo, 2007 [48]   +4.73 MET-hr intervention vs. in -0.26 MET-hr in controls at 1 yr   -2.64% in intervention vs. -0.02% in controls at 1 yr   +1.7 g/day intervention vs. +0.17 g/d in controls
at 1 yr
Barclay, 2008 [87] NR NR NR NR NR NR
Greaves, 2008 [86] 37.5% interv vs. 27.5% control NR NR Reported successful reduction of total fat and saturated fat but no data shown NR NR
Kosaka, 2005 [49] NR NR NR NR NR NR
Torgerson, 2004 [80] NR NR NR NR NR NR
Dyson, 1997 [50]   +0.17 L/min VO2max in interv vs. -0.03 L/min in controls at 1 yr   -3.5% in intervention vs.
-1.4% in control at 1 yr
  +0.9 g/day intervention vs. -0.7 g/day in control at 1 yr
Eriksson, 1991 [79] NR increase of 17% in IGT and 9% Oxigen uptake at 1 yr NR NR NR NR
McTigue, 2009 [84] NR NR NR NR NR NR
Pagoto, 2008 [14] NR NR NR NR NR NR
Laatikainen 2007 [83] NR NR NR NR NR NR
Absetz, 2005 [82] 66% NR 48% NR 52%  
  1. NR = not reported